Java CodeQL queries for Code Quality

Query name	Category	Severity
Access to unsupported JDK-internal API	Maintainability	Recommendation
Boxed variable is never null	Maintainability	Warning
Cast from abstract to concrete collection	Maintainability	Warning
Class has same name as super class	Maintainability	Recommendation
Confusing method names because of capitalization	Maintainability	Recommendation
Confusing overloading of methods	Maintainability	Recommendation
Constant interface anti-pattern	Maintainability	Recommendation
Container contents are never accessed	Maintainability	Error
Inefficient empty string test	Maintainability	Recommendation
Inefficient String constructor	Maintainability	Recommendation
Inner class could be static	Maintainability	Recommendation
Interface cannot be implemented	Maintainability	Warning
Javadoc has impossible 'throws' tag	Maintainability	Recommendation
Misleading indentation	Maintainability	Warning
Missing Override annotation	Maintainability	Recommendation
Missing space in string literal	Maintainability	Recommendation
Mocking all public methods of a class may indicate the unit test is testing too much	Maintainability	Recommendation
Non-case label in switch statement	Maintainability	Recommendation
Non-explicit control and whitespace characters	Maintainability	Warning
Possible confusion of local and field	Maintainability	Recommendation
Spurious Javadoc @param tags	Maintainability	Recommendation
Subtle call to inherited method	Maintainability	Warning
Underscore used as identifier	Maintainability	Recommendation
Unread local variable	Maintainability	Recommendation
Unused classes and interfaces	Maintainability	Recommendation